Restrict line alignment to schema values

crates/model/src/style.rs

@@ -238,7 +238,6 @@ pub enum LineAlign {
     #[default]
     Center,
     Inside,
-    Outside,
 }
 
 impl LineAlign {
@@ -246,7 +245,6 @@ impl LineAlign {
         match self {
             LineAlign::Center => "ctr",
             LineAlign::Inside => "in",
-            LineAlign::Outside => "out",
         }
     }
 
@@ -254,7 +252,6 @@ impl LineAlign {
         match value {
             "ctr" => Some(LineAlign::Center),
             "in" => Some(LineAlign::Inside),
-            "out" => Some(LineAlign::Outside),
             _ => None,
         }
     }

crates/pptx/tests/it/roundtrip.rs

@@ -493,16 +493,14 @@ fn line_alignment_survives_two_pptx_round_trips() {
     let mut p = Presentation::default();
     let mut inside = shape(&mut p, "Inset line", 20.0, 20.0, 100.0, 100.0);
     inside.line = Some(Line { align: Some(deckcraft_model::style::LineAlign::Inside), ..Default::default() });
-    let mut outside = shape(&mut p, "Outset line", 140.0, 20.0, 100.0, 100.0);
-    outside.line = Some(Line { align: Some(deckcraft_model::style::LineAlign::Outside), ..Default::default() });
-    let mut centered = shape(&mut p, "Centered line", 260.0, 20.0, 100.0, 100.0);
+    let mut centered = shape(&mut p, "Centered line", 140.0, 20.0, 100.0, 100.0);
     centered.line = Some(Line { align: Some(deckcraft_model::style::LineAlign::Center), ..Default::default() });
-    Arc::make_mut(&mut p.slides[0]).shapes.extend([inside, outside, centered]);
+    Arc::make_mut(&mut p.slides[0]).shapes.extend([inside, centered]);
 
     let q = round(&round(&p));
     assert_eq!(by_name(&q.slides[0], "Inset line").line.as_ref().and_then(|line| line.align), Some(deckcraft_model::style::LineAlign::Inside));
-    assert_eq!(by_name(&q.slides[0], "Outset line").line.as_ref().and_then(|line| line.align), Some(deckcraft_model::style::LineAlign::Outside));
     assert_eq!(by_name(&q.slides[0], "Centered line").line.as_ref().and_then(|line| line.align), Some(deckcraft_model::style::LineAlign::Center));
+    assert_eq!(deckcraft_model::style::LineAlign::from_xml("out"), None);
 }
 
 #[test]